公开(公告)号：US08580411B2

公开(公告)日：2013-11-12

申请号：US13271322

申请日：2011-10-12

Applicant: Jun Endo ,  Tetsuya Nakashima ,  Atsuyoshi Takenaka

Inventor： Jun Endo ,  Tetsuya Nakashima ,  Atsuyoshi Takenaka

IPC: G11B5/73 ,  C03C3/083

CPC classification number: G11B5/7315 ,  C03C3/083 ,  C03C3/087

Abstract: To provide glass to be used for a substrate which is, as a substrate, less susceptible to surface roughening even if subjected to cleaning by means of a strongly acidic solution.Glass for a substrate, which comprises, as represented by mol % based on the following oxides, from 62.5 to 69% of SiO2, from 9 to 15.5% of Al2O3, from 8 to 16 of Li2O, from 0 to 8% of Na2O, from 0 to 7% of K2O and from 0 to 3.5% of ZrO2, provided that SiO2—Al2O3 is at least 53.3%, Li2O+Na2O+K2O is from 17 to 24%, and the total of contents of the above six components is at least 97%.

Abstract translation: 为了提供用作基板的玻璃，作为基板，即使经受强酸溶液的清洗也不太容易受到表面粗糙化的影响。 用于底物的玻璃，其以由以下氧化物的摩尔％表示，为62.5至69％的SiO 2，9至15.5％的Al 2 O 3，8至16的Li 2 O，0至8％的Na 2 O， 0〜7％的K 2 O和0〜3.5％的ZrO 2，只要SiO 2 -Al 2 O 3为至少53.3％，Li 2 O + Na 2 O + K 2 O为17〜24％，上述6种成分的总和为 至少97％。

公开(公告)号：US08349476B2

公开(公告)日：2013-01-08

申请号：US12909221

申请日：2010-10-21

Applicant: Jun Endo ,  Tetsuya Nakashima

Inventor： Jun Endo ,  Tetsuya Nakashima

IPC: G11B5/706 ,  C03B37/014 ,  C03B37/00

CPC classification number: G11B5/7315 ,  C03C3/083

Abstract: To provide a process to improve acid resistance of a glass substrate for an information recording medium. A process for producing the glass substrate for an information recording medium, includes processing a glass formed into a plate by a float process, a down-draw method or a press method, wherein, in cooling the glass at the last step the glass has a temperature of at least its strain point, the time during which the glass temperature is at least its strain point and at most a temperature where the glass viscosity is 1010dPa·s is at least 13 minutes.

Abstract translation: 提供一种提高信息记录介质的玻璃基板耐酸性的方法。 一种用于信息记录介质的玻璃基板的制造方法，其特征在于，包括通过浮法加工形成板的玻璃，下拉法或压制法，其中，在最后一步冷却玻璃时，玻璃具有 至少其应变点的温度，玻璃温度至少为其应变点的时间，以及至多玻璃粘度为1010dPa·s的温度为至少13分钟。

公开(公告)号：US08119268B2

公开(公告)日：2012-02-21

申请号：US12881236

申请日：2010-09-14

Applicant: Tetsuya Nakashima ,  Kei Maeda ,  Noriaki Shimodaira ,  Atsuyoshi Takenaka

Inventor： Tetsuya Nakashima ,  Kei Maeda ,  Noriaki Shimodaira ,  Atsuyoshi Takenaka

IPC: G11B5/62 ,  C03C3/091 ,  C03C3/087

CPC classification number: G11B5/7315 ,  C03C3/083 ,  C03C3/085 ,  C03C4/20 ,  Y10T428/31 ,  Y10T428/315

Abstract: To provide a glass for an information recording media substrate, which is excellent in weather resistance.A glass for an information recording media substrate, which comprises, as represented by mol % based on oxide, from 61 to 66% of SiO2, from 11.5 to 17% of Al2O3, from 8 to 16% of Li2O, from 2 to 8% of Na2O, from 2.5 to 8% of K2O, from 0 to 6% of MgO, from 0 to 4% of TiO2 and from 0 to 3% of ZrO2, provided that Al2O3+MgO+TiO2 is at least 12%, and Li2O+Na2O+K2O is from 16 to 23%, wherein in a case of where B2O3 is contained, its content is less than 1%. The above glass for an information recording media substrate, wherein when the glass is left under steam atmosphere at 120° C. at 0.2 MPa for 20 hours, and the amount of Li, the amount of Na and the amount of K, which precipitate on a surface of the glass are represented as CLi, CNa and CK respectively, CNa is at most 0.7 nmol/cm2, and CLi+CNa+CK is at most 3.5 nmol/cm2.

Abstract translation: 提供耐候性优异的信息记录介质基板用玻璃。 用于信息记录介质基板的玻璃，其以氧化物的摩尔％表示，SiO 2的61至66％，Al 2 O 3的11.5至17％，Li 2 O的8至16％，2至8重量％ 的Na 2 O，2.5〜8％的K 2 O，0〜6％的MgO，0〜4％的TiO 2和0〜3％的ZrO 2，条件是Al 2 O 3 + MgO + TiO 2为至少12％，Li 2 O + Na 2 O + K 2 O为16〜23％，其中，在含有B 2 O 3的情况下，其含量小于1％。 上述用于信息记录介质基板的玻璃，其中当玻璃在蒸气气氛中在120℃下在0.2MPa下放置20小时时，并且Li的量，Na的量和沉淀的K的量 玻璃的表面分别表示为CLi，CNa和CK，CNa为0.7nmol / cm 2以下，CLi + CNa + CK为3.5nmol / cm 3以下。

公开(公告)号：US08071494B2

公开(公告)日：2011-12-06

申请号：US12437739

申请日：2009-05-08

Applicant: Kensuke Nagai ,  Tetsuya Nakashima ,  Kei Maeda ,  Ryoji Akiyama ,  Akira Kondo ,  Daiki Akie

Inventor： Kensuke Nagai ,  Tetsuya Nakashima ,  Kei Maeda ,  Ryoji Akiyama ,  Akira Kondo ,  Daiki Akie

IPC: C03C3/087 ,  C03B18/20

CPC classification number: H01J29/863 ,  C03B18/20 ,  C03C3/087 ,  H01J9/241 ,  H01J11/10 ,  H01J11/34 ,  H01J2329/8615 ,  Y02P40/57

Abstract: The present invention provides a glass substrate for flat panel display in which yellowing occurring in a case of forming silver electrodes on glass substrate surface is inhibited.A glass substrate for flat panel display, which is formed by a float method, which has a composition consisting essentially of, in terms of oxide amount in mass %: SiO250 to 72%, Al2O30.15 to 15%, MgO + CaO + SrO + BaO4 to 30%, Na2Omore than 0% and at most 10%, K2O1 to 21%, Li2O0 to 1%, Na2O + K2O + Li2O6 to 25%, ZrO20 to 10%, and Fe2O30.0725 to 0.15%; and wherein the average Fe2+ content in a surface layer of the glass substrate within a depth of 10 μm from the a top surface is at most 0.0725% in terms of Fe2O3 amount.

Abstract translation: 本发明提供了一种用于平板显示器的玻璃基板，其中在玻璃基板表面上形成银电极的情况下发生泛黄。 一种用于平板显示器的玻璃基板，其通过浮法形成，其组成基本上以氧化物质量％计：SiO 2 50至72％，Al 2 O 3 0.15至15％，MgO + CaO + SrO + BaO 4〜30％，Na 2 O大于0％，最多10％，K 2 O 1〜21％，Li 2 O 0〜1％，Na 2 O + K 2 O + Li 2 O 6〜25％，ZrO 2 0〜10％，Fe 2 O 3 0.0725〜 0.15％; 并且其中，与上表面相距10μm以下的玻璃基板的表层中的平均Fe 2+含量，以Fe 2 O 3换算为0.0725％以下。

公开(公告)号：US07892999B2

公开(公告)日：2011-02-22

申请号：US12267638

申请日：2008-11-10

Applicant: Kensuke Nagai ,  Tetsuya Nakashima ,  Kei Maeda

Inventor： Kensuke Nagai ,  Tetsuya Nakashima ,  Kei Maeda

IPC: C03C3/083 ,  C03C3/085 ,  C03C3/087 ,  C03C3/078

CPC classification number: H01J11/34 ,  C03C3/087 ,  H01J11/10

Abstract: A float glass for a display substrate, characterized in that its composition consists essentially of, as represented by mass % based on oxide, from 52 to 62% of SiO2, from 5 to 15% of Al2O3, from more than 0% to 9% of MgO, from 3 to 12% of CaO, from 9 to 18% of SrO, from 0 to 13% of BaO, from 25 to 30% of MgO+CaO+SrO+BaO, from 6 to 14% of Na2O+K2O+Li2O, from 0 to 6% of ZrO2 and from 0 to 1% of SO3, the temperature of glass melt corresponding to the viscosity of 102 dPa·s is at most 1,520° C., the temperature of glass melt corresponding to the viscosity of 104 dPa·s is at most 1,120° C., the glass transition temperature is at least 610° C., and the specific gravity is at most 2.9.

Abstract translation: 一种用于显示基板的浮法玻璃，其特征在于其组成基本上由以氧化物为基准的质量％表示，52至62％的SiO 2，5至15％的Al 2 O 3，大于0％至9％ 的MgO，3〜12％的CaO，9〜18％的SrO，0〜13％的BaO，25〜30％的MgO + CaO + SrO + BaO，6〜14％的Na2O + K2O + Li 2 O，0〜6％的ZrO 2和0〜1％的SO 3，对应于粘度为102dPa·s的玻璃熔体的温度为1520℃以下，玻璃熔体的温度对应于粘度 104dPa·s为1100℃以下，玻璃化转变温度为610℃以上，比重为2.9以下。

公开(公告)号：US20100210443A1

公开(公告)日：2010-08-19

申请号：US12769703

申请日：2010-04-29

Applicant: Kensuke Nagai ,  Tetsuya Nakashima

Inventor： Kensuke Nagai ,  Tetsuya Nakashima

IPC: C03C3/087

CPC classification number: H01J11/34 ,  C03C3/087 ,  H01J5/04

Abstract: A glass composition for substrates having good polishability while securing characteristics for FPD substrates, especially for PDP substrates, from which a glass substrate having excellent polishing workability and productivity can be obtained, is provided.A glass composition for substrates, which is characterized by comprising, as represented by mass % based on oxides, from 55 to 75% of SiO2, from 5 to 15% of Al2O3, from 0 to 4% of MgO, more than 5.5% and at most 12% of CaO, from 5 to 18% of SrO, from 0 to 13% of BaO, from 0.5 to 6% of ZrO2, from 0 to 10% of Na2O, from 0 to 15% of K2O, from 6 to 20% of Na2O+K2O, from 17 to 25% of MgO+CaO+SrO+BaO, and from 15 to 25% of CaO+SrO, as a glass matrix composition; and having a glass transition point of at least 600° C., an average thermal expansion coefficient of from 75×10−7 to 90×10−7/° C. within a range of from 50 to 350° C., and an abrasion resistance of at least 98.

Abstract translation: 本发明提供一种具有良好的抛光性的基板用玻璃组合物，同时确保了能够获得具有优异的研磨加工性和生产率的玻璃基板的FPD基板，特别是PDP基板的特性。 一种基材用玻璃组合物，其特征在于，以质量％计，以氧化物计，55〜75％的SiO 2，5〜15％的Al 2 O 3，0〜4％的MgO，5.5％以上，以及 至多12％的CaO，5〜18％的SrO，0〜13％的BaO，0.5〜6％的ZrO 2，0〜10％的Na 2 O，0〜15％的K 2 O，6〜 20％的Na 2 O + K 2 O，17〜25％的MgO + CaO + SrO + BaO和15〜25％的CaO + SrO作为玻璃基体组合物; 并且玻璃化转变点为至少600℃，平均热膨胀系数为75×10-7至90×10-7 /℃，范围为50至350℃，和 耐磨性至少为98。

公开(公告)号：US20090137379A1

公开(公告)日：2009-05-28

申请号：US12267638

申请日：2008-11-10

Applicant: Kensuke NAGAI ,  Tetsuya Nakashima ,  Kei Maeda

Inventor： Kensuke NAGAI ,  Tetsuya Nakashima ,  Kei Maeda

IPC: C03C3/087 ,  C03B18/02

CPC classification number: H01J11/34 ,  C03C3/087 ,  H01J11/10

Abstract: To provide a float glass for a display substrate, of which the high temperature viscosity is low, without impairing properties for a substrate glass for a display.A float glass for a display substrate, characterized in that its composition consists essentially of, as represented by mass % based on oxide, from 52 to 62% of SiO2, from 5 to 15% of Al2O3, from more than 0% to 9% of MgO, from 3 to 12% of CaO, from 9 to 18% of SrO, from 0 to 13% of BaO, from 25 to 30% of MgO+CaO+SrO+BaO, from 6 to 14% of Na2O+K2O+Li2O, from 0 to 6% of ZrO2 and from 0 to 1% of SO3, the temperature of glass melt corresponding to the viscosity of 102 dPa·s is at most 1,520° C., the temperature of glass melt corresponding to the viscosity of 104 dPa·s is at most 1,120° C., the glass transition temperature is at least 610° C., and the specific gravity is at most 2.9.

Abstract translation: 为了提供高温粘度低的显示基板的浮法玻璃，而不损害显示器用基板玻璃的特性。 一种用于显示基板的浮法玻璃，其特征在于其组成基本上由以氧化物为基准的质量％表示，52至62％的SiO 2，5至15％的Al 2 O 3，大于0％至9％ 的MgO，3〜12％的CaO，9〜18％的SrO，0〜13％的BaO，25〜30％的MgO + CaO + SrO + BaO，6〜14％的Na2O + K2O + Li 2 O，0〜6％的ZrO 2和0〜1％的SO 3，对应于粘度为102dPa.s的玻璃熔体的温度为至多1520℃，玻璃熔体的温度对应于粘度 的104dPa.s为1120℃以下，玻璃化转变温度为610℃以上，比重为2.9以下。

公开(公告)号：US20060068209A1

公开(公告)日：2006-03-30

申请号：US11280258

申请日：2005-11-17

Applicant: Motoyuki Hirose ,  Tetsuya Nakashima ,  Kei Maeda

Inventor： Motoyuki Hirose ,  Tetsuya Nakashima ,  Kei Maeda

IPC: B32B17/06 ,  C03C3/087

CPC classification number: C03C3/097 ,  C03C3/087 ,  C03C3/095 ,  H01J11/10 ,  H01J11/34

Abstract: To provide a glass for a display substrate which has solved yellowing problems. A glass plate for a display substrate, which contains at least one member selected from the group consisting of Ti, Mn, Zn, Y, Nb, La, Ce and W in an amount of from 0.1 to 10 mass % as calculated as oxides.

Abstract translation: 为了提供解决黄变问题的显示基板用玻璃。 一种用于显示基板的玻璃板，其含有选自Ti，Mn，Zn，Y，Nb，La，Ce和W中的至少一种，其量为0.1至10质量％，以氧化物计。

公开(公告)号：US08349751B2

公开(公告)日：2013-01-08

申请号：US12769703

申请日：2010-04-29

Applicant: Kensuke Nagai ,  Tetsuya Nakashima

Inventor： Kensuke Nagai ,  Tetsuya Nakashima

IPC: C03C3/087

CPC classification number: H01J11/34 ,  C03C3/087 ,  H01J5/04

Abstract: A glass composition for substrates having good polishability while securing characteristics for FPD substrates, especially for PDP substrates, from which a glass substrate having excellent polishing workability and productivity can be obtained, is provided.A glass composition for substrates, which is characterized by comprising, as represented by mass % based on oxides, from 55 to 75% of SiO2, from 5 to 15% of Al2O3, from 0 to 4% of MgO, more than 5.5% and at most 12% of CaO, from 5 to 18% of SrO, from 0 to 13% of BaO, from 0.5 to 6% of ZrO2, from 0 to 10% of Na2O, from 0 to 15% of K2O, from 6 to 20% of Na2O+K2O, from 17 to 25% of MgO+CaO+SrO+BaO, and from 15 to 25% of CaO+SrO, as a glass matrix composition; and having a glass transition point of at least 600° C., an average thermal expansion coefficient of from 75×10−7 to 90×10−7/° C. within a range of from 50 to 350° C., and an abrasion resistance of at least 98.

Abstract translation: 本发明提供一种具有良好的抛光性的基板用玻璃组合物，同时确保了能够获得具有优异的研磨加工性和生产率的玻璃基板的FPD基板，特别是PDP基板的特性。 一种基材用玻璃组合物，其特征在于，以质量％计，以氧化物计，55〜75％的SiO 2，5〜15％的Al 2 O 3，0〜4％的MgO，5.5％以上，以及 至多12％的CaO，5〜18％的SrO，0〜13％的BaO，0.5〜6％的ZrO 2，0〜10％的Na 2 O，0〜15％的K 2 O，6〜 20％的Na 2 O + K 2 O，17〜25％的MgO + CaO + SrO + BaO和15〜25％的CaO + SrO作为玻璃基体组合物; 并且玻璃化转变点为至少600℃，平均热膨胀系数为75×10-7至90×10-7 /℃，范围为50至350℃，和 耐磨性至少为98。

公开(公告)号：US08168313B2

公开(公告)日：2012-05-01

申请号：US12724570

申请日：2010-03-16

Applicant: Jun Endo ,  Tatsuo Nagashima ,  Tetsuya Nakashima ,  Manuel Diaz Reyes

Inventor： Jun Endo ,  Tatsuo Nagashima ,  Tetsuya Nakashima ,  Manuel Diaz Reyes

IPC: G11B5/73 ,  C03C3/085 ,  C03C3/087

CPC classification number: G11B5/7315 ,  C03C3/085 ,  C03C3/087

Abstract: A glass for an information recording medium substrate, which comprises, as represented by mol % based on the following oxides, from 61 to 72% of SiO2, from 3 to 11% of Al2O3, from 0 to 14.3% of Li2O, from 0 to 22% of Na2O, from 0 to 22% of K2O, from 4 to 13% of MgO, from 0 to 6% of TiO2 and from 0 to 5% of ZrO2, provided that the total content of Li2O, Na2O and K2O (R2O) is from 10 to 22%, and (a) the ratio of the content of Li2O to R2O (Li2O/R2O) is at most 0.52, (b) the ratio of the content of Na2O to R2O (Na2O/R2O) is at least 0.35, or (c) the ratio of the content of K2O to R2O (K2O/R2O) is at least 0.45.

Abstract translation: 一种用于信息记录介质基材的玻璃，其以以下氧化物的摩尔％表示，SiO 2为61至72％，Al 2 O 3为3至11％，Li 2 O 0至14.3％，为0至 22％的Na2O，0〜22％的K2O，4〜13％的MgO，0〜6％的TiO2和0〜5％的ZrO2，条件是Li2O，Na2O和K2O（R2O）的总含量 ）为10〜22％，（a）Li 2 O与R 2 O（Li 2 O / R 2 O）的含量比例为0.52以下，（b）Na2O与R2O的含量比（Na2O / R2O）为 至少0.35，或（c）K2O与R2O（K2O / R2O）的含量之比至少为0.45。